Difference between sub-query and corelated subquery

Hi,
can anyone please give me the clear difference between sub-query and coreleated subquery with an example.
I am very much confused with the both.
Also please let me know in which cases/situation these are used.
Thanks,

Basically Sub Query is Query within Query. There are different type of SubQuery.
1. Scalar Sub Query
Query that is totally independent from the main query.
select empno, (select count(*) from emp) total_emp
    from emphere the subquery is totally independent of the main query.
2. Corelated Sub Query
The sub query reffers to the main query.
select empno, (select deptname from dept d where e.deptno = d.deptno) deptname
     from emp e3. Inline view
A sub query that is used as a table or view in a SQL
select *
from (select empno, deptname
          from emp e, dept d
         where e.deptno = d.deptno)
where sal > 100

Similar Messages

Difference between sap query and sap ad hoc query

Hello Experts-
Is there any difference between sap query and sap ad hoc query. If yes, I will appreciate if you can provide some input.
Thanks,

Hi,
SAP Query
Purpose
The SAP Query application is used to create reports not already contained in the default. It has been designed for users with little or no knowledge of the SAP programming language ABAP.
SAP Query offers users a broad range of ways to define reports and create different types of reports such as basic lists, statistics, and ranked lists.
Features
The SAP Query comprises five components: Queries, InfoSet Query, InfoSets, User Groups and Translation/Query.
Classic reporting- the creation of lists, statistics and ranked lists- are covered by the InfoSet Query and Queries components. Other components range of functions cover the maintenance of InfoSets, the administration of user groups and also the translation of texts created in the SAP Query.
All data required by a user for a report can be read from various tables.
To define a report, you first have to enter individual texts, such as titles, and select the fields and options which determine the report layout. In the WYSIWYG mode, you can edit the lists using Drag & Drop and various toolbars.
AD Hoc Query
Definition
A Web item that enables you to create and change queries in a Web application on an ad-hoc basis.
Use
You can use the Ad-hoc Query Designer Web item in the Web Application Designer to structure Web applications in which you create or change queries. The Web item is as a tool for designing ad-hoc queries in a Web environment.
In particular it enables you to:
·        Create queries by assigning characteristics from an InfoProvider to rows, columns, filters, and free characteristics, and including key figures from the InfoProvider in the key figure structure of the query.
·        Restrict or filter key figures and characteristics
·        Use predefined key figure structures and restricted or calculated key figures in the query
·        Set or change query properties and key figure/characteristic properties in the query
·        Create or change conditions and exceptions
When compared with the BEx Query Designer, the Ad-hoc Query Designer Web item has the following restrictions when creating or changing queries:
·        You cannot integrate variables into the query directly.
However, you can use variables in reusable structures, or restricted or calculate key figures, which are used in the Ad-hoc Query Designer
·        The query can contain only one structure. This structure has to be the key figure structure and be in the rows or columns of the query.
-        You cannot use key figures or key figure structures in the filter.
-        You cannot define exception cells, since this requires two structures.
You cannot create the following objects using the Ad-hoc Query Designer Web item:
-         Reusable structures
-         Reusable restricted key figures
-         Reusable calculated key figures
-        Local calculated key figures
You can create local, restricted key figures using the Ad-hoc Query Designer Web item.
You can edit existing queries in the Ad-hoc Query Designer Web item, if the queries adhere to the restrictions laid out above The Ad-hoc Query Designer checks these requirements when loading a query. If the query is too complex, the query can be loaded into the Ad-hoc Query Designer but you cannot change it there. You then receive the appropriate message. You can still check and execute the query.
"Ad Hoc" is a Latin phrase which means "for this purpose" and in today's parlance generally means "on the fly," or "spontaneously."
An ad hoc query is a query that is run at the spur of the moment, and generally is never saved to run again. These queries are run using a SQL statement created by a tool or an administrator. So therefore, such a query is one that might suit a situation which is only there for the moment and later on will become irrelevant.
As queries become more complex, it can be difficult to write them correctly ad-hoc. To help with this, one can instead write the knowledge needed for queries as business rules in English, and then use a system called "Internet Business Logic" to automatically generate and run the SQL queries. One can then get explanations of the results, in English, at the business level.
Check these links....
http://help.sap.com/saphelp_nw04/helpdata/en/1f/03223c5f00612be10000000a11402f/content.htm
https://www.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/library/uuid/80bf2f79-021d-2a10-5082-dadc79aaa92c
http://www50.sap.com/businessmaps/27FEEF3A12444F89A8524CCACAF4F5BF.htm
http://help.sap.com/saphelp_nw70/helpdata/en/15/00a042b443c56ae10000000a155106/content.htm
Reward points if useful....
Regards
AK

Differences between Native Query and Hibernate Native Query?

What is the differences between this two queries? as i was looking for native query. i saw hibernate native query... from what i've search through the internet, i know noted that hibernate query and native query is a totally different queries
so is hibernate native query belongs to hibernate query? i m quite confuse 2 differentiate this with native query

hi,
Information is retrieved from the data base for use in out programs via a special language known as structured query language (SQL). SQL is a language designed for the use with relational data base systems.
Open SQL is a subset of native SQL . SQL has been divided into two parts.
> Open SQL can recognized by the ABAP program.
> They are 10 SQL statements out of which we use only 5.
1. Select.
2. Insert.
3. Delete.
4. Modify.
5. Update.
6. Fetch.
7. Open Cursor.
8. Close Cursor.
9. Roll Back.
10. Commit.
out of which we use only the first 5.....
> Native SQL. cannot be recognized by the ABAP program.
> To execute Native SQL
Exec SQL.
End Exec.
as it cannot be recognized by the ABAP we go for Open SQL.
If this has helped u solve ur problem then dont forget to reward them with pointrs.
with regards,
madhuri.

Data difference between PSA/Query and InfoCube

Hi All!
I have a problem during the data extraction from R/3 to a basic Cube. When the currency is different from EUR, the key figure 0CS_YTD_TC data its different from the others (0CS_YTD_GC and 0CS_YTD_LC). In the cube content the value is correct but in the PSA and in queries is not.
What can I do?

Ricardo,
Do you mean that one of your KF value (for example, in the cube) differs from the value shown in a query 10 times?
If so, look at the table TCURX. In my system PTE has 0 decimals. It means that cube/query will differ 100 times.
Look here at the problem description:
Re: Local Currency COP, KRW values wrong in report
and here for workaround on a query level:
Re: is conditional calculation in the report possible?
Best regards,
Eugene

Difference between Report painter and abap query .

can anyone please tell me the difference between the report painter and the ordinary alv,clasical reporting and also the difference between Report painter and abap query. How the output format will be in Report painter. If anyone has any documents please send it to
[email protected]
Thanks,
Joseph.

hi,
ABAP Query is an ABAP Workbench tool that enables users without knowledge of the ABAP programming language to define and execute their own reports.
In ABAP Query, you enter texts and select fields and options to determine the structure of the reports. Fields are selected from functional areas and can be assigned a sequence by numbering.
link for abap query --
https://forums.sdn.sap.com/click.jspa?searchID=221911&messageID=2790992
whereas the Report Painter enables you to report on data from various applications. It uses a graphical report structure that forms the basis for the report definition. When defining the report, you work with a structure that corresponds to the final structure of the report when the report data is output.
link for report painter --
https://forums.sdn.sap.com/click.jspa?searchID=221874&messageID=1818114
Regards,
pankaj singh
Message was edited by:
Pankaj Singh
Message was edited by:
Pankaj Singh

Difference between Storage Grain and Query Grain

What is the difference between Storage Grain and Query Grain ?
In the query below:
Select quarter, YearAgoSales:
Query grain: quarter
Time Series grain : year
what is the Storage Grain ?
As mentioned in Help Guide, Storage Grain is "grain of the aggregate source".
Regards,

storage grain: by its name is the grain of your source.
query grain: by its name is the grain at which you define your query.
based on the example you mentioned:
Though you have a source at day grain, you are querying at quarter level (which corresponds to query grain)....
mark posts promptly
-bifacts
http://www.obinotes.com

Difference between class report and interactive report

please give me the differences between classical report and interactive report

Hi,read the following :
In ABAP, there are a total of 7 types of reports. They are:
Classical Reports
Interactive Reports
Logical Database Reports
ABAP query
ALV Reports (ALV stands for ABAP List Viewer)
Report Writer/Report Painter
Views (There are different types of views also)
Classical Reports
These are the most simple reports. It is just an output of data using the Write statement inside a loop.
Classical reports are normal reports. These reports are not having any sub reports. IT IS HAVING ONLY ONE SCREEN/LIST FOR OUTPUT
Interactive Reports
As the name suggests, the user can Interact with the report. We can have a drill down into the report data. For example, Column one of the report displays the material numbers, and the user feels that he needs some more specific data about the vendor for that material, he can HIDE that data under those material numbers.
And when the user clicks the material number, another report (actually sub report/secondary list) which displays the vendor details will be displayed.
We can have a basic list (number starts from 0) and 20 secondary lists (1 to 21).
Logical Database Reports
Logical database is another tool for ABAP reports. Using LDB we can provide extra features for ABAP reports.
While using LDB there is no need for us to declare Parameters.
Selection-screen as they will be generated automatically.
We have to use the statement NODES in ABAP report.
ABAP Query Reports
ABAP query is another tool for ABAP. It provides efficency for ABAP reports. These reports are very accurate.
Transaction Code : SQ01
Report Writer / Report painter
Super users and end users can use Report Painter/Report Writer tools to write their own reports.
Giving them the ability to report on additional fields at their discretion shifts the report maintenance burden to them, saving SAP support groups time and effort normally spent creating and maintaining the reports.
ALV reports
Sap provides a set of ALV (ABAP LIST VIEWER) function modules which can be put into use to embellish the output of a report. This set of ALV functions is used to enhance the readability and functionality of any report output. Cases arise in sap when the output of a report contains columns extending more than 255 characters in length.
In such cases, this set of ALV functions can help choose selected columns and arrange the different columns from a report output and also save different variants for report display. This is a very efficient tool for dynamically sorting and arranging the columns from a report output.
The report output can contain up to 90 columns in the display with the wide array of display options.
There is no difference between drill down and interactive report, they are the same.
With drilldown reporting, SAP provides you with an interactive information system to let you evaluate the data collected in your application. This information system is capable of analyzing all the data according to any of the characteristics that describe the data. You can also use any key figures you wish to categorize your data. You can display a number of objects for a given key figure, or a number of key figures for a given object. In addition, the system lets you carry out any number of variance analyses (such as plan/actual comparisons, fiscal year comparisons, comparisons of different objects, and so on).
*More on Classical Vs Interactive*
Classical Reports
These are the most simple reports. Programmers learn this one first. It is just an output of data using the Write statement inside a loop.
Classical reports are normal reports. These reports are not having any sub reports. IT IS HAVING ONLY ONE SCREEN/LIST FOR OUTPUT.
Events In Classical Reports.
INTIALIZATION: This event triggers before selection screen display.
AT-SELECTION-SCREEN: This event triggers after proccesing user input still selection screen is in active mode.
START OF SELECTION: Start of selection screen triggers after proceesing selection screen.
END-OF-SELECTION : It is for Logical Database Reporting.
Interactive Reports
As the name suggests, the user can Interact with the report. We can have a drill down into the report data. For example, Column one of the report displays the material numbers, and the user feels that he needs some more specific data about the vendor for that material, he can HIDE that data under those material numbers.
And when the user clicks the material number, another report (actually sub report/secondary list) which displays the vendor details will be displayed.
We can have a basic list (number starts from 0) and 20 secondary lists (1 to 21).
Events associated with Interactive Reports are:
1. AT LINE-SELECTION
2. AT USER-COMMAND
3. AT PF<key>
4. TOP-OF-PAGE DURING LINE-SELECTION.
HIDE statement holds the data to be displayed in the secondary list.
sy-lisel : contains data of the selected line.
sy-lsind : contains the level of report (from 0 to 21)
Interactive Report Events:
AT LINE-SELECTION : This Event triggers when we double click a line on the list, when the event is triggered a new sublist is going to be generated. Under this event what ever the statements that are been return will be displayed on newly generated sublist.
AT PFn: For predefined function keys...
AT USER-COMMAND : It provides user functions keys.
TOP-OF-PAGE DURING LINE-SELECTION :top of page event for secondary list.
Reward if found helpful

Difference between sy-datum and any given date

Dear Friends;
I have one query regarding DATE I wanna calculate the difference between
SY-DATUM and ANY GIVEN DATE . Is there any function or code available that take one parameter as sy-datum and another parameter as any given date and give result as no. of days between them
Regards;
Parag

DATA: DATEDIFF TYPE P.
CALL FUNCTION 'SD_DATETIME_DIFFERENCE'
EXPORTING
    date1                 = '20071122'
    time1                 = '000001'
    date2                 = '20070905'
    time2                 = '000001'
IMPORTING
   DATEDIFF               = DATEDIFF
EXCEPTIONS
   INVALID_DATETIME       = 1
   OTHERS                 = 2.
Greetings,
Blag.

What is difference between bex analyser and bex browser

what is difference between bex analyser and bex browser . please explain what are use of both and what we do in both.

hi
Bex Browser
The Business Explorer Browser (BEx Browser) makes it possible for you to access all document types of the Business Information Warehouse that are assigned to your role or that you have stored in your favorites. You can select and open documents assigned to you in the BEx Browser or store and manage new documents in the BEx Browser.
Document types that you can work with in the BEx Browser are:
· BW workbooks
· Documents that are stored in the Business Document Service (BDS)
· Links (references to file system, shortcuts)
· Links to internet sites (URLs)
· SAP transaction calls.
· Web applications and Web templates
· Crystal Reports
Bex Analyser
The Business Explorer Analyzer (BEx Analyzer) is the analysis and reporting tool of the Business Explorer that is embedded in Microsoft Excel.
Features
You can call up the BEx Query Designer in the BEx Analyzer, in order to define queries. Subsequently, you can analyze the selected InfoProvider data by navigation to the query created in the Query Designer and create different query views of the data. You can add the different query views for a query or for different queries to a work book and save them there. You can save the workbook in your favorites or in your role on the BW Server. You can also save the workbook locally on your computer.
Beyond that, you can precalculate the workbook and distribute it by e-mail to recipeients or you can export it to the Enterprise Portal and make it accessible to other employees in the company.
You can start queries in a standard view (with a Standard Web Template set up in Customizing) in the Web browser and forward the URL or continue to navigate on the Web. Similarly, you can export the Web query to MS Excel 2000.
Overview of the Functional Area of the BEx Analyzer:
·        BEx toolbar
You access the functions of the BEx Analyzer from the BEx toolbar, which takes you to the BEx Open dialog box where you can open existing queries, or to the BEx Query Designer where you can create new queries or change existing queries.
·        Evaluating Query Data
The BEx Analyzer offers convenient functions for evaluating and presenting InfoProvider data interactively. In the BEx Analyzer, you can add queries to workbooks, navigate within them and refresh the data. You can also process the queries further in Microsoft Excel or display them in the Web browser in a default view.
Navigation of a query allows you, for example, to filter characteristics on a single value, drilldown on all values for a characteristic, regroup characteristics and key figures in the rows and columns of the results area, or hide key figures. Navigation results in different views of the InfoProvider data. In addition, a range of further functions is available which allow you to edit a query interactively (for example, sorting, cumulated output, among others). In addition, you can use the editing functions in Microsoft Excel in order to set up individual format templates, to print results areas, or to create graphics.
·        Queries in Workbooks
Queries are inserted into workbooks so you can display them. When you insert a query, a link is made between the cell areas of the worksheet and the data of the InfoProvider upon which the query is based. A link therefore exists between the Business Explorer and the Business Information Warehouse Server (BW Server).
When inserting a query into the workbook, a VBA routine is automatically generated in the workbook. You can also connect the Business Explorer with your own VBA programs (Visual Basic for Applications).
You can create workbook templates, into which you can insert your queries. Workbook templates can contain pre-determined items for the area of the query, formatting settings, logos, VBA macros, and so on.
·        Precalculating workbooks
You can precalculate and distribute workbooks with the BEx Broadcaster, which is a Web application you get to form the BEx toolbar. The system generates MS Excel workbooks with historical data. You determine the time for precalculation yourself: You can have workbooks precalculated at a predefined time or they can be precalculated whenever data in the underlying InfoProvider changes. You can have the precalculated workbooks sent by e-mail or you can export them into the Enterprise Portal, where you can make them available to employees within your company.
Activities
To start the BEx Analyzer, choose Start ® Programs ® SAP Front-end Business Information Warehouse ® SAP Business Explorer Analyzer.
You can also access the BEx Analyzer via SAP Easy Access ® SAP Business Information Warehouse ® SAP Menu ® Business Explorer ® Analyzer or in the Business Explorer Browser using the Business Explorer Analyzer symbol in the menu bar.
Hope this will solve your issu
nagarjuna

Difference between primary eindex and secondary index?

hi experts
pls answer me
difference between primary eindex and secondary index?
rewads apply.
thanks.
naresh.

hi,
check this link.
http://help.sap.com/saphelp_47x200/helpdata/en/cf/21eb2d446011d189700000e8322d00/frameset.htm
A difference is made between Primary & Secondary indexes to a table. the primary index consists of the key fields of the table and a pointer to the non-keys-fields of the table. The Primary index is generated automatically when a table is created and is created in the datebase as the same times as the table. It is also possible to define further indexes to a table in the ABAP/4 dictionary, which are then referred to as Secondary indexes.
Always it is not mandatory that an index should have all the key fields of a table. To see the index of a table
goto SE11->specify table name->click on the indexes... button on the application toolbar.
Based on your requirement you can you any of those index fields in the where clause of your query. Always its a better practice to use the index fields in the order specified. While selecting the records from a table it is always better to select the fields in the same order as specified in the table.

Difference between unique constraint and unique index

1. What is the difference between unique constraint and unique index when unique constraint is always indexed ? Which one is better in this case for better performance ?
2. Is Composite index of 3 columns x,y,z better
or having independent/ seperate indexes on 3 columns x,y,z is better for better performance ?
3. It has been very confusing for me to decide which columns to index, I have indexed most foreignkey columns, is it a good idea ? We do lot of selects and DMLS on most of our tables. Is there any query that I can run and find out if indexes are really being used and if they are improving any performance. I have analyzed and computed my indexes using ANALYZE index index_name validate structure and COMPUTE STATISTICS;
null

1. Unique index is part of unique constraint. Of course you can create standalone unique index. But is is no point to skip the logical view of business if you spend same effort to achive.
You create unique const. Oracle create the unique index for you. You may specify index characteristic in unique constraint.
2. Depends. You can't utilize the composite index if the searching condition is not whole or front part of the indexing key. You can't utilize your index if you query the table for y=2. That is.
3. As old words in database arena, Index may be good or bad for a table depending on the size of table, number of columns in the table... etc. It is very environmental dependent. In fact, It is part of database nomalization. Statistic is a way oracle use to determine the execution plan.
Steve
null

Difference between current row and previous row in a table

Hi All,
I am having a problem with the query. Can some of please help me?
I need to get difference between current row and previous row in a table. I have a table, which have data like bellow.
TABLEX
================
Name Date Items
AAA 01-SEP-09 100
BBB 02-SEP-09 101
CCC 03-SEP-09 200
DDD 04-SEP-09 200
EEE 05-SEP-09 400
Now I need to get output like bellow...
Name Date Items Diff-Items
AAA 01-SEP-09 100 0
BBB 02-SEP-09 101 1
CCC 03-SEP-09 200 99
DDD 04-SEP-09 200 0
EEE 05-SEP-09 400 200
Can some one help me to write a query to get above results?
Please let me know if you need more information.
Thanks a lot in advance.
We are using Oracle10G(10.2.0.1.0).
Thanks
Asif

     , nvl (items - lag (items) over (order by dt), 0)like in
SQL> with test as
2 (
3 select 'AAA' name, to_date('01-SEP-09', 'dd-MON-rr') dt, 100 items from dual union all
4 select 'BBB' name, to_date('02-SEP-09', 'dd-MON-rr') dt, 101 items from dual union all
5 select 'CCC' name, to_date('03-SEP-09', 'dd-MON-rr') dt, 200 items from dual union all
6 select 'DDD' name, to_date('04-SEP-09', 'dd-MON-rr') dt, 200 items from dual union all
7 select 'EEE' name, to_date('05-SEP-09', 'dd-MON-rr') dt, 400 items from dual
8 )
9 select name
10       , dt
11       , items
12       , nvl (items - lag (items) over (order by dt), 0)
13    from test
14 ;
NAM DT             ITEMS NVL(ITEMS-LAG(ITEMS)OVER(ORDERBYDT),0)
AAA 01-SEP-09        100                                      0
BBB 02-SEP-09        101                                      1
CCC 03-SEP-09        200                                     99
DDD 04-SEP-09        200                                      0
EEE 05-SEP-09        400                                    200
SQL>

Difference between customizing request and workbench request?

Hi ,
What is the difference between customizing request and workbench request?
please reply.........

HI,
<b>Workbench Requests</b>
When you change a Repository object of the ABAP Workbench, a query window appears in which you need to specify a Workbench request. You can only save the changes if you have assigned the object to a change request.
Workbench requests and the tasks assigned to them are normally used to record changes to Repository objects and Customizing for all clients. However, you can also include client-specific Customizing.
Whether the changes to Repository objects are transported depends on whether a transport route is defined from the current SAP System for the package of these objects. From the system settings, the system automatically determines whether the change requests are transportable and to which target system they should be transported.
<b>Customizing requests</b>
Customizing requests record client-specific Customizing settings made in a single client (the source client of the request).
Automatic recording of configuration activities in the Customizing work for a client can be activated or deactivated for each client with Client Control. If automatic recording is active, a query window appears when you change Customizing settings, asking you to specify a Customizing request.
Whether Customizing requests are transported or not, does not depend on the objects entered, as is the case with Workbench change requests. The Customizing requests in an SAP System (or in a client if you use Extended Transport Control) are either all transportable or all local, depending on the system setting. The system uses the standard transport layer to determine automatically whether the change requests are transportable and to which target system they should be transported. However, you can change this manually.
pl reward if it helps.
Thanks
Sadhu Kishore

What is the differences between viewCriteria query modes?

Hello all,
recently we faced a performance issue in a production application. after tracing we found that the issue was caused by setting the query mode of the view criteria to in memory.
bussiness case description:
when creating a new record for table A, I want to populate one field depending on records in another table B, so I used model driven LOV.
The problem was that new records were created for both tables in the same ADF train i.e. the data for both tables were not posted or committed yet.
so by using a query based ViewObject + viewCriteria with query mode set to memory for viewCriteria I managed to populate the LOV with the correct data,
in another page I will show database records for table A with LOV to show meaningful messages to users , but I can as well create new records for table A ,but the loading of this page is very slow.
tracing:
using alter session set sql_trace=true; I found that table B is fully scanned and all rows are fetched-180000+ record-.
Problem description:
from the trace file generated found that the query issued did not have a where clause.
also found that the viewObject fetched the entire table into memory- 180000+ record,- then searched them in memory.
Solution:
changing the query mode of the viewCriteria seems to solve the issue
so in order to avoid such issues in the future ,I wanted to make sure I understand the differences between the query modes of view criteria and their impact on the performance and if there are any differences if the viewObject is based on an entity or a sql dml.
this is what I know so far -please correct me if I am mistaken-:
1)database: search the database appending the conditions of the viewCriteria to whatever the query is
2)memory: search the rows that are already in the memory.
3)both: search both database and memory.
also, in case I updated one of the records in the memory but did not yet post or commit will the fetched rows have the updated values? and if these changes fails the condition from the viewCriteria , will the rows be shown?.

The camera roll contains all the photos and videos taken on your device, as well as any saved on your device from the internet, emails, text messages, etc. The photo library contains photos synced to your device from your computer.
Only camera roll photos are synced using iCloud with photo stream. And photo stream only syncs photos, not videos.

What are the major differences between UCCX v7 and v8.0.2

Does anyone know of a matrix or document which shows the major differences between UCCX v7 and v8.0.2?
I have looked high and low, even searched this forum, but have not found anything.
I've even looked at release notes in 8.0.2 but couldn't see anywhere that states the changes.
Any help appreciated.

Hi,
I have awarded you both with the 'correct answer'.
I went through, painstakingly, the documents I was linked to above and compared.
In the end the major differences are pretty much what you have outlined here - which is exactly what I wanted.
Thank you both very much.
Cheers,
Brett
PS: Here are the obvious differences I found going thru the documentation I was linked to... (pretty much what you said)
Feature
V7
V8
High   Availability over the WAN (HAoWAN)
No
Yes
Available in   an Appliance Model
No
Yes
Read-only access to Cisco Unified Contact Center Express   database (Informix) with JDBC, ODBC, or Structured Query Language (SQL)
No
Yes
System   Software Configuration
MS Windows Server   2003
Cisco Media   Convergence Appliance Software
System   Software Configuration (client)
XP and Vista
XP, Vista, and Win7
System   Software Configuration (browser based client software)
No
CAD and Workforce   Management
System   Software Configuration (Web 2.0 based client software)
No
QM and AQM
Operating   System
Cisco OEM Windows   Server 2003
Cisco Voice OS

Difference between sub-query and corelated subquery

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